diff --git a/ui/BankingAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/dialogs/TransferMoneyDialog.kt b/ui/BankingAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/dialogs/TransferMoneyDialog.kt
index d8ccfe02..6cd5e7a1 100644
--- a/ui/BankingAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/dialogs/TransferMoneyDialog.kt
+++ b/ui/BankingAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/dialogs/TransferMoneyDialog.kt
@@ -322,6 +322,9 @@ open class TransferMoneyDialog : DialogFragment() {
             if (enteredName.isEmpty()) {
                 lytRemitteeName.error = context?.getString(R.string.error_no_name_entered)
             }
+            else if (inputValidator.hasRemitteeNameValidLength(enteredName) == false) {
+                lytRemitteeName.error = context?.getString(R.string.error_entered_name_too_long)
+            }
             else {
                 lytRemitteeName.error = context?.getString(
                     R.string.error_invalid_sepa_characters_entered, inputValidator.getInvalidSepaCharacters(enteredName))
@@ -332,8 +335,7 @@ open class TransferMoneyDialog : DialogFragment() {
     protected open fun isRemitteeNameValid(): Boolean {
         val enteredRemitteeName = edtxtRemitteeName.text.toString()
 
-        return enteredRemitteeName.isNotEmpty()
-                && inputValidator.containsOnlyValidSepaCharacters(enteredRemitteeName)
+        return inputValidator.isRemitteeNameValid(enteredRemitteeName)
     }
 
     protected open fun checkIfEnteredRemitteeIbanIsValid() {
@@ -426,17 +428,22 @@ open class TransferMoneyDialog : DialogFragment() {
     }
 
     protected open fun checkIfEnteredUsageTextIsValid() {
+        val enteredUsage = edtxtUsage.text.toString()
+
         if (isUsageTextValid()) {
             lytUsage.error = null
         }
+        else if (inputValidator.hasUsageValidLength(enteredUsage) == false) {
+            lytUsage.error = context?.getString(R.string.error_entered_usage_too_long)
+        }
         else {
             lytUsage.error = context?.getString(R.string.error_invalid_sepa_characters_entered,
-                inputValidator.getInvalidSepaCharacters(edtxtUsage.text.toString()))
+                inputValidator.getInvalidSepaCharacters(enteredUsage))
         }
     }
 
     protected open fun isUsageTextValid(): Boolean {
-        return inputValidator.containsOnlyValidSepaCharacters(edtxtUsage.text.toString())
+        return inputValidator.isUsageValid(edtxtUsage.text.toString())
     }
 
 }
\ No newline at end of file
diff --git a/ui/BankingAndroidApp/src/main/res/values-de/strings.xml b/ui/BankingAndroidApp/src/main/res/values-de/strings.xml
index ed9e94cf..12cf5284 100644
--- a/ui/BankingAndroidApp/src/main/res/values-de/strings.xml
+++ b/ui/BankingAndroidApp/src/main/res/values-de/strings.xml
@@ -92,6 +92,7 @@
 
 
     <string name="error_no_name_entered">Bitte geben Sie den Namen des Empfängers ein</string>
+    <string name="error_entered_name_too_long">Name darf nur 70 Zeichen lang sein</string>
     <string name="error_invalid_sepa_characters_entered">Unzulässige(s) Zeichen eingegeben: %s</string>
     <string name="error_no_iban_entered">Bitte geben Sie die IBAN des Empfängers ein</string>
     <string name="error_invalid_iban_characters_entered">Unzulässige(s) Zeichen eingegeben: %s</string>
@@ -102,5 +103,6 @@
     <string name="error_invalid_bic_pattern_entered">Eine BIC besteht aus 8 oder 11 Zeichen und folgt dem Muster: ABCDED12(XYZ)</string>
     <string name="error_no_amount_entered">Bitte geben Sie den zu überweisenden Betrag ein</string>
     <string name="error_invalid_amount_entered">Bitte geben Sie einen Betrag größer 0 ein.</string>
+    <string name="error_entered_usage_too_long">Verwendungszweck darf nur 140 Zeichen lang sein</string>
 
 </resources>
diff --git a/ui/BankingAndroidApp/src/main/res/values/strings.xml b/ui/BankingAndroidApp/src/main/res/values/strings.xml
index 493d9da5..63b6905c 100644
--- a/ui/BankingAndroidApp/src/main/res/values/strings.xml
+++ b/ui/BankingAndroidApp/src/main/res/values/strings.xml
@@ -92,6 +92,7 @@
 
 
     <string name="error_no_name_entered">Please enter remittee\'s name</string>
+    <string name="error_entered_name_too_long">Name may only have 70 characters</string>
     <string name="error_invalid_sepa_characters_entered">Invalid character(s) entered: %s</string>
     <string name="error_no_iban_entered">Please enter remittee\'s IBAN</string>
     <string name="error_invalid_iban_characters_entered">Invalid character(s) entered: %s</string>
@@ -102,5 +103,6 @@
     <string name="error_invalid_bic_pattern_entered">A BIC consists of 8 or 11 characters and has the pattern: ABCDED12(XYZ)</string>
     <string name="error_no_amount_entered">Please enter the amount to be transferred</string>
     <string name="error_invalid_amount_entered">Please enter an amount greater zero.</string>
+    <string name="error_entered_usage_too_long">Usage may only have 140 characters</string>
 
 </resources>
diff --git a/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/InputValidator.kt b/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/InputValidator.kt
index d36c1a5d..df682dde 100644
--- a/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/InputValidator.kt
+++ b/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/InputValidator.kt
@@ -9,6 +9,11 @@ open class InputValidator {
 
     companion object {
 
+        const val RemitteNameMaxLength = 70
+
+        const val UsageMaxLength = 140
+
+
         /**
          * The IBAN consists of up to 34 alphanumeric characters, as follows:
          * - country code using ISO 3166-1 alpha-2 – two letters,
@@ -73,6 +78,30 @@ open class InputValidator {
     }
 
 
+    open fun isRemitteeNameValid(stringToTest: String): Boolean {
+        val convertedString = convertToAllowedSepaCharacters(stringToTest)
+
+        return hasRemitteeNameValidLength(convertedString)
+                && containsOnlyValidSepaCharacters(convertedString)
+    }
+
+    open fun hasRemitteeNameValidLength(stringToTest: String): Boolean {
+        return stringToTest.length in 1..RemitteNameMaxLength
+    }
+
+
+    open fun isUsageValid(stringToTest: String): Boolean {
+        val convertedString = convertToAllowedSepaCharacters(stringToTest)
+
+        return hasUsageValidLength(convertedString)
+                && containsOnlyValidSepaCharacters(convertedString)
+    }
+
+    open fun hasUsageValidLength(stringToTest: String): Boolean {
+        return stringToTest.length in 0..UsageMaxLength // usage is not a required field -> may be empty
+    }
+
+
     open fun containsOnlyValidSepaCharacters(stringToTest: String): Boolean {
         return sepaMessageCreator.containsOnlyAllowedCharacters(stringToTest)
     }